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AssigneeCargill, Incorporated
InventorsHolly J. JESSEN, Jian YI, Joshua LUNDORFF, Hans LIAO, Ana NEGRETE-RAYMOND, Pirkko SUOMINEN, Aristos ARISTIDOU
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The present application discloses the identification of the novel K. marxianus xylose transporter genes KHT105 and RAG4, as well as the identification of a novel set of I. orientalis pentose phosphate pathway genes The present application further discloses a series of genetically modified yeast cells comprising various combinations of arabinose fermentation pathways, xylose fermentation pathways, pentose phosphate pathways, and/or xylose transporter genes, and methods of culturing these cells to produce ethanol in fermentation media containing xylose.
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A genetically modified yeast cell comprising an active arabinose fermentation pathway, wherein said cell comprises one or more exogenous arabinose fermentation pathway genes selected from the group consisting of AI, RK, and RE genes, wherein the selected exogenous arabinose fermentation pathway gene encodes a polypeptide comprising an amino acid sequence with at least 80% sequence identity to an amino acid sequence selected from the group consisting of the amino acid sequences set forth in SEQ ID Nos:
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Dependencies are inferred from the claim text.